iOS 10.3 (build 14E5249d) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2017-02-20T17:57:56Z. The update package is 272.78 MB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9e7df6da4455a3fc768f58dda057afb63e11ee6b.zip.